Note 1 - Organization and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenues, Total	$ 5,553,738	$ 4,606,796	$ 16,210,701	$ 14,469,698
Sales Channel [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	100.00%	100.00%	100.00%	100.00%
Sales Channel, Directly to Consumer [Member]
Revenues, Total	$ 3,897,884	$ 3,579,635	$ 11,299,001	$ 11,167,158
Sales Channel, Directly to Consumer [Member] \| Sales Channel [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	70.20%	77.70%	69.70%	77.20%
Sales Channel, Through Intermediary [Member]
Revenues, Total	$ 1,655,854	$ 1,027,161	$ 4,911,700	$ 3,302,540
Sales Channel, Through Intermediary [Member] \| Sales Channel [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	29.80%	22.30%	30.30%	22.80%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details